LG 29FX6ALX Service Manual Download Page 2

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CONTENTS

Contents ...................................................................................................................2

Safety Precautions..............................................................................................3

Control Descriptions..........................................................................................4

Specifications........................................................................................................7

Adjustment Instructions .................................................................................8

Trouble Shooting ................................................................................................14

Printed circuit board.........................................................................................18

Block Diagram .....................................................................................................20

Exploded View....................................................................................................22

Exploded View Parts List .............................................................................23

Replacement Parts List .................................................................................24

SVC. Sheet..................................................................................................................

Summary of Contents for 29FX6ALX

Page 1: ...VICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS CW62A MODEL 29FX6ALX MODEL 29FX6ALX ZG website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...ety Precautions 3 Control Descriptions 4 Specifications 7 Adjustment Instructions 8 T rouble Shooting 14 Printed circuit board 18 Block Diagram 20 Exploded View 22 Exploded View Parts List 23 Replacement Parts List 24 SVC Sheet ...

Page 3: ...lays the current mode 5 TELETEXT BUTTONS option These buttons are used for teletext For further details see the Teletext section 6 SLEEP sets the sleep timer 7 PIP BUTTONS option PIP switches the sub picture on or off PR selects a programme for the sub picture SWAP alternates between main and sub picture INPUT selects the input mode for the sub picture SIZE adjusts the sub picture size STILL freez...

Page 4: ...und output option 13 Q VIEW or YELLOW returns to the previously viewed programme 14 LIST or BLUE displays the programme table No function COLOURED BUTTONS These buttons are used for teletext only TELETEXT models or programme edit Without TELETEXT PIP PR PR OK VOL VOL SWAP INPUT PR PR SLEEP FAVOURITE POSITION 9 4PIP STILL PIP SIZE EYE I II With PIP Without TELETEXT POWER MUTE 1 2 3 4 5 6 7 8 9 MENU...

Page 5: ... set on from standby 5 REMOTE CONTROL SENSOR Note Only use the supplied remote control handset When you use others they ll be not able to function 6 AUDIO VIDEO IN SOCKETS AV IN3 Connect the audio video out sockets of external equipment to these sockets 7 EYE option adjusts picture according to the surrounding conditions Front panel 1 3 4 5 7 2 e e h h h h h h e e e e e e e e e e e e e e e e e e e...

Page 6: ...pec and performance of parts based upon P N of B O M 5 Warm up TV set for more than 20min before the measurement No 1 2 3 4 5 6 7 8 Item Receiving System Available Channel Input Voltage Market Screen Size Tuning System Operating Environment Storage Environment Remark EU Non EU OPTION Non EU EU NTSC M Non EU EU 200 PR W O TXT Specification PAL SECAM BG PAL SECAM DK PAL I I NTSC M NTSC 4 43 AV SECAM...

Page 7: ...is time 4 6 pole magnet is located to magnet of nothing 5 Move the DY to make equal red on whole screen and it does not to make the DY by fixed screw after check a simple color of Red Green Blue and white raster whether or not it is a pollution of color At this time take care raster of screen and DY must fixing in the condition which maintains a horizontality 6 Check the TV set by move direction 4...

Page 8: ...e by SVC communicator 3 Enter the deflection mode by selection SERVICE2 key on SERVICE MENU after enter the adjustment mode by pressing LINE SVC MODE IN START KEY 4 Use the CH D E key to select adjustment item 5 Use the VOL F G key to increase decrease data 7 2 Adjustment Note When adjusting a deflection adjust N50Hz of PAL signal first and adjust a deflection data at N60Hz NTSC Z60Hz N50Hz W50Hz ...

Page 9: ...P picture is in contact with main picture 8 Deflection setting initial data Table 4 Deflection setting initial data SERVICE 2 Fix Don t change data After finishing deflection adjustment at PAL 50Hz NTSC 60Hz is applied deflection compensation value But recheck condition of adjustment at NTSC system and adjust deflection data if necessary Adjust PIP Position adjustment at only PAL 50Hz 10 Fig 2 PAL...

Page 10: ...VOLL R AUX3 VOL SCART1 RF SOUND OUT FM WINDOW FILTER FMWS BOOSTER MAX VOLUME DCXO 29 S SLIM 0 0 0 0 0 0 0 0 0 0 0 100 63 ITEM INCH SYSTEM 200PR TOP ACMS CH AU BOOSTER SOUND PIP VOL CURVE A2 STEREO I II SAVE HIDEVIAT High deviation SCART DVD XWAVE EYE 4KEY TILT DEGAUSS Degaussing OSD LANG TXT LANG REMOCON HOTEL TURBOSCH Turbo search TURBOP S picture sound DCXO A DCXO auto adjust OPTION1 OPTION2 OPT...

Page 11: ...ED RESERVED ENGLISH EAST EU ALL ENGLISH RUSSIAN RESERVED RESERVED RESERVED RESERVED RESERVED ENGLISH EU 7EA WEST EU ALL ENGLISH GREEK RESERVED RESERVED RESERVED RESERVED ENGLISH INDONESIAN MALAY VIETNAMESE THAI ENGLISH GERMAN RUMANIAN POLISH HUNGARIAN CZECH RUSSIAN BULGARIAN ENGLISH RUSSIAN ENGLISH GERMAN FRENCH ITALIAN SPANISH DUTCH PORTUGUESE ENGLISH GERMAN FRENCH ITALIAN SPANISH DUTCH SWEDISH N...

Page 12: ...ol and Earphone transmits a FM through transmitter of inner part in MICOM BOARD to TV sound MONITOR OUTPUT 1 Execute in channel generating voice signal 2 Select a transmitted frequency in MENU OSD MENU SOUND TRANSMITTER frequency selection 87 7MHz 3 A received frequency in an exclusive remote control or received FM Radio is tuned by 87 7MHz 107 7MHz which is same as frequency in OSD 4 Check out wh...

Page 13: ...ck the waveform at pin 4 12 of IC601 Check Replace Q603 NO OK Check the waveform at pin 6 of IC601 Check Replace IC601 NO OK Check the waveform at pin 1 2 14 15 of IC601 Check Replace R823 D826 Check the Heater voltage of CPT 6 6 4 Vrms Check R G B out of CPT board Check IC901 P402A Check 197V line of CPT Board if no problem check and Replace Check the Heater pulse of FBT T402 Check RF901 P402 P40...

Page 14: ...501 Check T401 each pin voltage Check Q401collect waveform Check Replace T402 Check the voltage pin4 of IC810 Check Replace IC810 IC802 Q830 Check Fuse and Diode of secondary Load of SMPS trans T801 Check the B at D829 cathode OPEN Check Replace DB801 NO Check Replace Fuse and IC810 NO OK NO Normal Abnormal Check Replace Q402 Check Replace T401 Check Replace Q401 Check Q402 collector waveform Chec...

Page 15: ... pin8 12 SCL SDA Check IC12 EEPROM SCL SDA Line Check pin3 Reset Voltage Check IC501 pin 83 84 85 R G B out Check SMPS Trans Secondary Voltage Go to No sound picture OK Check the waveform pin73 H out Check IC501 pin 83 84 85 R G B out Check receiving system in MENU execute Auto Program Does the auto Program operate properly Store on manual program MENU ...

Page 16: ...pin57 58 of IC501 OK Check the signal line of SPK N P Check the waveform at pin4 12 of IC601 NO NO OK Check pin5 mute of IC501 Check the waveform at pin6 of IC601 OK NO NO Check the connection of AV equipment AV OK OK Check the connection of side or Front AV Board P201A Check the voltage at pin3 13 of IC601 Check Replace R823 D826 Correct the Board Check the waveform at pin1 2 14 15 of IC601 Repla...

Page 17: ... 18 PRINTED CIRCUIT BOARD MAIN ...

Page 18: ... 19 SIDE A V HARMONIC SMPS CONTROL LED POWER ...

Page 19: ...BLOCK DIAGRAM 20 ...

Page 20: ... 21 EXPLODED VIEW 913 170 150 112 174 501 520 400 943 550 580 120 300 310 530 330 540 590 600 700 ...

Page 21: ...Assembly 29FX6ALX ZG CW062A 29 SY RA SKD CW062A 501 3210900001B Cover MOLD HIPS MAIN HIPS 60HR 29FX60 MC049A SY CKD 520 EBR30722701 PCB Assembly MAIN1 M I CW62A 29FX6ALX ZG QRULLCU 6871 M I EBR30770304 PCB Assembly MAIN1 M I CW62A 29FX6ALX ZG QDRLLBK SY TO KIEV EBR30770310 PCB Assembly MAIN1 M I CW62A 29FX6ALX ZG KDRLLEY SY TO KIEV 530 EBR30724701 PCB Assembly MAIN1 M I CW62A SY TO CIS SKD MODEL C...

Page 22: ...0 10V 157MA RH EP050 Y103M B B 10nF 20 16V X5R EGR226M016T1G1C11G 22uF 20 16V 75MA RH UP050 B471K B B 470pF 10 50V Y5P RH UP050 B101K B B 100pF 10 50V Y5P LOCA NO PART NO DESCRIPTION IC12 IC301 IC302 IC601 IC802 IC810 IC823 IC824 IC826 IC901 Q602 Q830 Q105 Q1501 Q201 Q204 Q301 Q302 Q303 Q401 Q402 Q502 Q503 Q504 Q505 Q506 Q603 Q803 Q804 Q805 Q806 Q809 Q810 Q811 Q840 D101 D102 D11 D301 D302 D401 D40...

Page 23: ...M 10uF 20 16V 72MA LOCA NO PART NO DESCRIPTION C510 C512 C513 C516 C519 C520 C530 C531 C532 C533 C535 C536 C538 C540 C542 C544 C546 C547 C548 C551 C553 C554 C556 C557 C558 C559 C561 C562 C563 C564 C569 C570 C571 C572 C573 C574 C575 C576 C577 C578 C579 C580 C581 C584 C585 C586 C587 C590 C591 C592 C594 C595 0CN1040K949 0CN1040K949 0CE337DD618 0CE226DD618 181 007F 0CN1040K949 0CN2220F569 0CN2230H949 ...

Page 24: ... B B 560pF 10 50V Y5P LOCA NO PART NO DESCRIPTION R1201 R1202 J549 L102 L1201 L1202 L204 L206 L207 L401 L402 L501 L503 L504 L505 L506 L507 L509 L511 L514 L548 L801 T401 T402 T801 TP801 C1 C2 C3 C4 C5 C6 C7 JW8A JW8B P06B P07B P101 P10A P1110 P13A P14A P1501B P1501B P1502B P1503B P1504B P201A 0CN1010K519 0CN1010K519 0LA0121K119 0LA0102K139 0LA0102K119 0LA0102K119 0LA0102K119 0LA0102K119 0LA0102K119...

Page 25: ...0 R221 R221 R222 R223 R225 R226 R227 R228 R229 R23 R252 R253 R26 R301 R303 R304 R306 R307 R308 R309 R310 R314 R316 R317 R318 R319 R320 R321 R322 R323 R324 R325 R326 R328 R331 R332 R403 R404 R407 R408 R409 R410 R411 R412 R415 R417 R433 0RD5602F609 0RD2402F609 0RD4702F609 0RD4702F609 0RD0752F609 0RD1000F609 0RD1001F609 0RD1201F609 0RD1201F609 0RD4702F609 0RD1001F609 0RD1001F609 0RD4702F609 0RD2402F6...

Page 26: ...1 8MM LOCA NO PART NO DESCRIPTION R585 R587 R591 R592 R595 R606 R608 R611 R612 R613 R616 R617 R618 R619 R801 R811 R812 R813 R813 R816 R817 R819 R820 R821 R822 R823 R824 R825 R826 R829 R830 R831 R832 R834 R835 R836 R837 R838 R841 R842 R843 R844 R845 R847 R850 R851 R852 R858 R859 R860 R861 R901 0RD0101F609 0RD1000F609 0RD1000F609 0RD1000F609 0RD6800F609 0RD8202F609 0RD4702F609 0RD1202F609 0RD8202F60...

Page 27: ...H472GBC 1C1P 12VDC 0 05A VERTICAL SDKEA3012A AC 250VAC 8A 1PCS 2C1P 152F L3N S 23 1 5KV 1 5KV 5MM BK 152F L3N S 23 1 5KV 1 5KV 5MM BK 152F L3N S 23 1 5KV 1 5KV 5MM BK WSP 122N AXIAL 1 2KV 1 2KV TP WSP 351M AXIAL 350V 350V 7 5MM TP WSP 351M AXIAL 350V 350V 7 5MM TP WSP 351M AXIAL 350V 350V 7 5MM TP 125 022K 20OHM 3 5X6MM AXIAL TP 125 022K 20OHM 3 5X6MM AXIAL TP 125 022K 20OHM 3 5X6MM AXIAL TP 125 0...

Page 28: ...P No 38549D0024A 2006 01 20 ...

Page 29: ...May 2006 Printed in Korea P NO 38289S0051Y ...

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